{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["vulnerable system owner", "vulnerable system version", "time", "common vulnerabilities and exposures", "vulnerable system", "vulnerability", "capabilities"]}], "input": "In addition to the VBScript flaw discovered and patched , Microsoft has also patched a privilege escalation vulnerability ."}
{"discover vulnerability": [{"vulnerable system owner": "NAN", "vulnerable system version": "NAN", "time": "NAN", "common vulnerabilities and exposures": "NAN", "vulnerable system": "NAN", "vulnerability": "the VBScript flaw", "capabilities": "NAN"}]}